CN107837439B - Integrated replaceable injection tube radiography equipment - Google Patents
Integrated replaceable injection tube radiography equipment Download PDFInfo
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- CN107837439B CN107837439B CN201711349661.5A CN201711349661A CN107837439B CN 107837439 B CN107837439 B CN 107837439B CN 201711349661 A CN201711349661 A CN 201711349661A CN 107837439 B CN107837439 B CN 107837439B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of medical equipment and discloses integral replaceable injection tube radiography equipment which comprises a base, an injection tube, a control device, a stepping motor, a miniature gas-liquid mixing pump, an outer cover and a control panel, wherein a first fixing seat and a second fixing seat are respectively arranged at the top of the base, a round hole, an arc groove and a clamping groove are respectively arranged at the top of the first fixing seat, the injection tube is arranged in the arc groove, an output shaft of the stepping motor is connected with one end of a coupling, the other end of the coupling is connected with a screw rod, the outer side of the screw rod is matched with a screw rod nut in threaded connection, an air inlet end and a liquid inlet end of the miniature gas-liquid mixing pump are respectively connected with a gas filling bottle and a liquid filling bottle, and a liquid inlet and a liquid outlet of the liquid filling bottle are respectively connected with a mixed liquid discharging end of the miniature gas-liquid mixing pump and a second joint of a medical three-way joint through medical hoses.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to integral replaceable injection tube radiography equipment.
Background
At present, the contrast agent microbubbles of the cardiac radiography inspection project technology are mainly manually operated and are connected by adopting 2 10 milliliter injection barrels and a three-way switch; the injection syringe is manually reciprocated back and forth for 20 times (one back and forth of the injection is recorded as one hand vibration, and the pushing frequency is about 80 times/min), so that the manual operation of mixing the contrast agent is not only low in efficiency and high in manpower resource cost, but also is easily limited by factors such as technical proficiency of operators, and different operators can cause different contrast effects and poor result repeatability due to different speeds and times when the operators shake and mix the contrast agent, different injection speeds, injection delays and the like. Because of the incapability of standardization and normalization, the technology is difficult to popularize widely in clinic, and therefore, an integrated replaceable syringe radiography device needs to be developed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides integral replaceable injection tube radiography equipment which has the advantages of simple structure, convenient operation, automatic combination of contrast agent and air to form stable contrast agent microbubbles and the like, and solves the problems of low efficiency, high manpower resource cost, different radiography effects, poor result repeatability caused by manual operation of synthesizing the contrast agent microbubbles and manually injecting the contrast agent microbubbles.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an integral type removable syringe radiography equipment, includes base, injection tube, movable buckle, controlling means, step motor, miniature gas-liquid mixing pump, holds liquid bottle, medical three way connection, dustcoat, control panel, the base top is equipped with first fixing base and second fixing base respectively, first fixing base top is equipped with round hole, circular arc groove, draw-in groove respectively, the injection tube is installed in the circular arc inslot, step motor output shaft is connected with shaft coupling one end, and the shaft coupling other end is connected with the lead screw, and screw nut is being cooperated threaded connection in the lead screw outside, and screw nut installs in the square hole of fixture block, step motor upper and lower both sides are equipped with miniature gas-liquid mixing pump and controlling means respectively, miniature gas-liquid mixing pump inlet end, liquid inlet end are connected with dress gas bottle respectively, hold liquid bottle, liquid inlet, liquid outlet all through medical hose respectively with miniature gas-liquid mixing pump's row mixed liquid end, medical three way connection's second joint, medical three way connection's first joint is connected with the injection tube end, the dustcoat is installed in the dustcoat top outside, the dustcoat, the rear side is equipped with power interface, right side is equipped with the through-hole.
Preferably, the limit handle at the top of the injection cylinder is embedded in the clamping groove at the top of the first fixing seat.
Preferably, the bottom of the round hole is provided with a clamping column, the clamping column is connected with the bottom of the spring, the spring can rotate ninety degrees around the clamping column, the top of the spring is connected with the bottom of the movable buckle, the other side of the top of the movable buckle is arc-shaped, the diameter of the arc is equal to that of the injection cylinder, and the top of the movable buckle can be contacted with the top of the injection cylinder.
Preferably, square holes and clamping holes are respectively formed in the bottom and the top of the clamping block, the screw rod nut is fixed in the square holes through bolts, and the piston handle is inlaid in the clamping holes.
Preferably, the medical three-way connector can be adjusted by a rotary switch to form two paths, one of which is: the first joint and the second joint are opened, and the third joint is closed; the other is: the first joint and the third joint are opened, and the second joint is closed.
Preferably, the power input end of the control device is connected with the power interface through a wire, the power output end of the control device is respectively connected with the power input ends of the miniature gas-liquid mixing pump and the stepping motor through wires, and the control panel is electrically connected with the control device.
Preferably, the control device is internally provided with a singlechip controller and a stepping motor driver, and the singlechip controller further controls the forward and reverse rotation of the stepping motor through the stepping motor driver
(III) beneficial effects
Compared with the prior art, the invention provides the integral replaceable injection tube radiography equipment which has the following beneficial effects:
this removable syringe radiography equipment of integral type, through the structural connection between miniature gas-liquid mixing pump, step motor, the lead screw, then mix contrast agent and air through miniature gas-liquid mixing pump is automatic to form stable contrast agent microbubble, and then avoided artifical synthetic contrast agent often to exist inefficiency, human resource cost is high, the contrast effect is different, the problem that the result repeatability is poor, simultaneously through step motor and lead screw transmission, it is internal that the stability injects the contrast agent microbubble into the patient, when different patients carry out the contrast inspection simultaneously, only accessible change syringe can, and then improve inspection efficiency and inspection accuracy.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a schematic diagram showing the structural connection of the clamping block and the screw nut according to the present invention;
FIG. 6 is a schematic diagram of a micro gas-liquid mixing pump according to the present invention;
FIG. 7 is a schematic illustration of an enclosure of the present invention;
FIG. 8 is a cross-sectional view of the structure between the movable detent, the spring and the first fixed seat of the present invention;
FIG. 9 is a top view of a medical tee fitting of the present invention;
FIG. 10 is a schematic view of the structure of the syringe, the plunger stem and the latch according to the present invention;
FIG. 11 is a schematic view of the structure of the base of the present invention;
FIG. 12 is a schematic diagram of the operation flow of the present invention.
In the figure: 1-base, 2-first fixing seat, 3-second fixing seat, 4-injection tube, 41-limit handle, 42-piston handle, 5-movable buckle, 6-control device, 7-stepper motor, 8-coupling, 9-lead screw, 10-lead screw nut, 11-fixture block, 111-square hole, 112-clamping hole, 12-miniature gas-liquid mixing pump, 121-air inlet end, 122-liquid inlet end, 123-row mixed liquid end, 13-gas filling bottle, 14-liquid filling bottle, 15-liquid storage bottle, 16-medical hose, 17-medical tee joint, 171-first joint, 172-second joint, 173-third joint, 18-rotary switch, 19-infusion tube, 20-housing, 21-round hole, 211-clamping column, 212-spring, 22-through hole, 221-power interface, 222-ventilation hole, 23-control panel, 24-circular arc groove and 25-clamping groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to the drawings, the invention provides a technical scheme that: the utility model provides an integral type removable syringe radiography equipment, including base 1, syringe 4, activity buckle 5, controlling means 6, step motor 7, miniature gas-liquid mixing pump 12, hold liquid bottle 15, medical three way connection 17, housing 20, control panel 23, base 1 top is equipped with first fixing base 2 and second fixing base 3 respectively, and first fixing base 2 top is equipped with round hole 21 respectively, circular arc groove 24, draw-in groove 25, syringe 4 installs in circular arc groove 24, step motor 7 output shaft is connected with shaft coupling 8 one end, and the shaft coupling 8 other end is connected with lead screw 9, and lead screw 9 outside cooperation threaded connection lead screw nut 10, and lead screw nut 10 installs in fixture block 11's square hole 111, and step motor 7 upper and lower both sides are equipped with miniature gas-liquid mixing pump 12 and controlling means 6 respectively, miniature gas-liquid mixing pump 12 air inlet end 121, intake end 122 are connected with dress gas bottle 13, dress liquid bottle 14 respectively, and the inlet, liquid outlet all through medical hose 16 respectively with miniature gas-liquid mixing pump 12's exhaust end 123, medical three way connection 17's second joint 172, first three way connection 17 and the housing 17's the first side of being equipped with through hole of connection 17, housing 20 and housing 20, the air pressure of housing 20 is equipped with in the outside the housing 20, and the air pressure of the housing 20 is equipped with the outside the air pressure of the housing 20 is 20, and the housing 20 is equipped with the air pressure of the same as normal air vent hole 20, the design is guaranteed to the outside the housing is 20.
The limit handle 41 at the top of the injection tube 4 is inlaid in the clamping groove 25 at the top of the first fixing seat 2 to limit the injection tube 4, so that when the piston handle 42 is prevented from moving, the injection tube 4 moves to further influence the piston handle 42 to eject the contrast microbubbles in the injection tube 4.
The bottom of the round hole 21 is provided with a clamping column 211, the clamping column 211 is connected with the bottom of the spring 212, the spring 212 can rotate ninety degrees around the clamping column 211, the top of the spring 212 is connected with the bottom of the movable buckle 5, the other side of the top of the movable buckle 5 is arc-shaped, the diameter of the arc is equal to that of the injection cylinder 4, the top of the movable buckle 5 can be contacted with the top of the injection cylinder 4, when another injection cylinder 4 is convenient to replace, the movable buckle 5 is lifted first and then rotates ninety degrees, at the moment, the movable buckle 5 is parallel and non-contacted with the injection cylinder 4, after the replacement is completed, the movable buckle 5 is lifted and rotated ninety degrees again, the restoring force of the spring 212 is small, and the top of the movable buckle 5 is extruded and locked with the top of the injection cylinder 4.
The bottom and the top of the clamping block 11 are respectively provided with a square hole 111 and a clamping hole 112, the screw nut 10 is fixed in the square hole 111 through bolts, and the piston handle 42 is embedded in the clamping hole 112, so that the screw nut 10 is driven to move left and right when the screw rod 9 is rotated positively and negatively, the screw nut 10 is used for synchronously driving the clamping block 11 to move left and right, the clamping block 11 finally drives the piston handle 42 to move left and right, and the injection cylinder 4 is controlled to extract or inject contrast microbubbles.
The medical three-way connector 17 can be regulated by a rotary switch 18 to form two paths, one of which is: the first connector 171 and the second connector 172 are opened, the third connector 173 is closed, namely a loop is formed between the injection tube 4 and the liquid storage bottle 15, after the injection of the contrast microbubbles in the injection tube 4 is finished, the screw rod 9 is driven to rotate reversely through the stepping motor 7, the piston handle 42 is driven to move backwards, the piston handle 42 sucks the contrast microbubbles in the liquid storage bottle 15, and when the same contrast examination project needs to be carried out on another patient, the usage amount of the injection tube 4 can be reduced by only replacing the infusion tube 19 and the injection needle which are directly contacted by the patient; the other is: the first connector 171 and the third connector 173 are opened, the second connector 172 is closed, namely, the injection tube 4 and the infusion tube 19 form a passage, the other end of the infusion tube 19 is connected with the intravenous injection end of the injection needle patient, the control device 6 is convenient for inputting instruction signals to the control device 6 through the control panel 23, the control device 6 further controls the feeding motor 7 to drive the screw rod 9 to rotate positively, and then drives the piston handle 42 to move forward, and further drives the piston handle 42 to move forward, and the piston handle 42 injects the contrast agent microbubbles in the injection tube 4 into the patient.
The power input end of the control device 6 is connected with the power interface 221 through a wire, the power output end of the control device 6 is respectively connected with the miniature gas-liquid mixing pump 12 and the power input end of the stepping motor 7 through wires, the control panel 23 is electrically connected with the control device 6, a user can input a forward and reverse rotation instruction of the stepping motor 7 or a starting instruction of the miniature gas-liquid mixing pump 12 into the control panel 23, the control panel 23 transmits an instruction signal to the control device 6, the control device 6 further controls the stepping motor 7 to forward and reverse rotation or starts the miniature gas-liquid mixing pump 12, and the miniature gas-liquid mixing pump 12 can fully mix air and contrast agent to form stable contrast agent microbubbles.
The control device 6 is also internally provided with a singlechip controller and a stepping motor driver, and the singlechip controller further controls the forward and reverse rotation of the stepping motor 7 through the stepping motor driver.
When the device is used, purified air and contrast agent are respectively arranged in the gas filling bottle 13 and the liquid filling bottle 14, the volume content ratio of the air to the contrast agent is 1:9, a button for controlling the start and the close of the stepping motor 7 is arranged on the control panel 23, the start button for controlling the micro gas-liquid mixing pump 12 is also arranged on the control panel 23, the micro gas-liquid mixing pump 12 is started firstly, the micro gas-liquid mixing pump 12 fully mixes the air and the contrast agent to form stable contrast agent microbubbles, the contrast agent microbubbles are transmitted into the liquid storage bottle 15 through the medical hose 16, a loop is formed between the injection cylinder 4 and the liquid storage bottle 15 through the regulation of the rotary switch 18, the stepping motor 7 is pushed down to reversely rotate the start button, the stepping motor 7 drives the screw rod 9 to reversely rotate, the piston handle 42 is driven to move backwards, the contrast agent microbubbles in the liquid storage bottle 15 are pumped into the injection cylinder 4 through the control panel 42, at the moment, the other end of the infusion tube 19 is connected with the intravenous injection end of a patient through the injection needle, the forward rotation of the stepping motor 7 is pushed down again, the stepping motor 7 is pushed down to rotate the step motor 7 forward, the screw rod 9 is driven forward and the piston handle 42 is driven to slowly rotate the injection handle 42, and the contrast agent in the contrast agent is slowly rotates the injection handle 42, and is conveniently slowly pushed forward, and the contrast agent is checked in the step handle is slowly, and the contrast agent is injected into the patient.
In particular, the medical hose 16 is connected with the miniature gas-liquid mixing pump 12, the liquid storage bottle 15 and the medical three-way joint 17 through threads, and the miniature gas-liquid mixing pump 12 is fixed on the top of the base 1 through bolts, wherein the stepping motor 7 is fixed on the top of the base 1 through fixing buckles and bolts.
To sum up, this removable syringe radiography equipment of integral type, through the structural connection between miniature gas-liquid mixing pump, step motor, the lead screw, then mix contrast agent and air through miniature gas-liquid mixing pump is automatic to form stable contrast agent microbubble, and then avoided artifical synthetic contrast agent often to exist inefficiency, human resource is with high costs, the contrast effect is different, the poor problem of result repeatability, simultaneously through step motor and lead screw transmission, it is internal to inject the patient with the contrast agent microbubble to stabilize, and then improve inspection efficiency and inspection accuracy.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Integral type removable syringe radiography equipment, including base (1), syringe (4), activity buckle (5), controlling means (6), step motor (7), miniature gas-liquid mixing pump (12), hold liquid bottle (15), medical three way connection (17), dustcoat (20), control panel (23), its characterized in that: the utility model discloses a medical three-way injection device, which is characterized in that a first fixing seat (2) and a second fixing seat (3) are respectively arranged at the top of a base (1), round holes (21), circular arc grooves (24) and clamping grooves (25) are respectively arranged at the top of the first fixing seat (2), an injection cylinder (4) is arranged in the circular arc grooves (24), an output shaft of a stepping motor (7) is connected with one end of a coupling (8), the other end of the coupling (8) is connected with a screw rod (9), the outer side of the screw rod (9) is matched with a screw rod nut (10) in a threaded manner, the screw rod nut (10) is arranged in a square hole (111) of a clamping block (11), micro gas-liquid mixing pumps (12) and a control device (6) are respectively arranged at the upper side and the lower side of the stepping motor (7), a gas inlet end (121) and a liquid inlet end (122) of the micro gas-liquid mixing pumps (12) are respectively connected with a gas cylinder (13) and a liquid bottle (14), a liquid inlet and a liquid outlet of the liquid bottle (15) are respectively connected with a liquid discharge mixing end (123) of the micro gas-liquid mixing pump (12) through medical hoses (16), a medical three-way joint (17) and a third joint (17) of the three-way joint (17) is arranged at the outer side of the injection cylinder (1) and the base (20), the rear side of the outer cover (20) is respectively provided with a power interface (221) and a vent hole (222), and the right side of the outer cover (20) is provided with a through hole (22); a limit handle (41) at the top of the injection cylinder (4) is embedded in a clamping groove (25) at the top of the first fixing seat (2); the bottom and the top of the clamping block (11) are respectively provided with a square hole (111) and a clamping hole (112), the screw rod nut (10) is fixed in the square hole (111) through a bolt, and the piston handle (42) is embedded in the clamping hole (112); the medical three-way connector (17) can be adjusted by a rotary switch (18) to form two of the passages, one of which is: the first joint (171) and the second joint (172) are opened, and the third joint (173) is closed; the other is: the first connector (171) and the third connector (173) are opened, and the second connector (172) is closed.
2. The integrated replaceable syringe imaging apparatus of claim 1, wherein: the bottom of the round hole (21) is provided with a clamping column (211), the clamping column (211) is connected with the bottom of the spring (212), the spring (212) can rotate ninety degrees around the clamping column (211), the top of the spring (212) is connected with the bottom of the movable buckle (5), the other side of the top of the movable buckle (5) is arc-shaped, the diameter of the arc is equal to the diameter of the injection cylinder (4), and the top of the movable buckle (5) can be contacted with the top of the injection cylinder (4).
3. The integrated replaceable syringe imaging apparatus of claim 1, wherein: the power input end of the control device (6) is connected with the power interface (221) through a wire, the power output end of the control device (6) is respectively connected with the power input ends of the miniature gas-liquid mixing pump (12) and the stepping motor (7) through wires, and the control panel (23) is electrically connected with the control device (6).
4. The integrated replaceable syringe imaging apparatus of claim 1, wherein: the control device (6) is internally provided with a singlechip controller and a stepping motor driver, and the singlechip controller controls the forward and reverse rotation of the stepping motor (7) through the stepping motor driver.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349661.5A CN107837439B (en) | 2017-12-15 | 2017-12-15 | Integrated replaceable injection tube radiography equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349661.5A CN107837439B (en) | 2017-12-15 | 2017-12-15 | Integrated replaceable injection tube radiography equipment |
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| CN107837439A CN107837439A (en) | 2018-03-27 |
| CN107837439B true CN107837439B (en) | 2023-10-17 |
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| CN108744114B (en) * | 2018-06-21 | 2024-03-29 | 广东省人民医院(广东省医学科学院) | Pressure-triggered automatic contrast device |
| CN108744113B (en) * | 2018-06-21 | 2024-04-02 | 广东省人民医院(广东省医学科学院) | Automatic synthetic contrast agent and injection device |
| CN108853635B (en) * | 2018-08-07 | 2024-04-02 | 广东省人民医院(广东省医学科学院) | Automatic radiography injection device |
| CN109260550A (en) * | 2018-10-30 | 2019-01-25 | 北京大学深圳医院 | Contrast agent microbubble vibrates infusing device |
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| CN110638506A (en) * | 2019-11-11 | 2020-01-03 | 常州市第一人民医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
| CN111773469B (en) * | 2020-07-13 | 2021-11-19 | 仪维武 | Contrast medium injection device |
| CN112295065B (en) * | 2020-09-30 | 2022-08-09 | 广州迈普再生医学科技股份有限公司 | Full-automatic self-adaptive medical glue spraying device |
| CN112604129A (en) * | 2020-12-23 | 2021-04-06 | 周春阳 | Contrast agent injection equipment for cardiovascular radiography |
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|---|---|
| CN107837439A (en) | 2018-03-27 |
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